Wire Connections
Main Board CN18 plug connection. This diagram shows voltage to economizer and back to the main board for compressor operation.
Here is the Bypass plug and the jumpers. this plug should be left inside control panel when removed for economizer installation for later use when needed.
Here is the compressor thermal disk for second sstgae operation.
Notes:
- Low Temperature Compressor Lock-out Switch (LA) opens at 42°F and resets at 57°F.
- Factory-installed 620 OHM, 1 WATT, 5% Resistor on SR AND SR+ should be removed only when an enthalpy sensor is added to SR AND SR+.
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WARNING:
Information in this article is intended for use by individuals possessing adequate backgrounds of electrical and mechanical experience and who comply with all federal, state, and local laws, rules, orders, or regulations related to the installation, service, or repair of a heating or central air conditioning product. Any attempt to install, service, or repair a heating or central air conditioning product may result in personal injury and/or property damage. The manufacturer or seller cannot be responsible for the interpretation of the information contained herein, nor can it assume any liability in connection with its use.